#B1E45D#B1E45D

#B1E45D is a very light, vivid yellow-green. Relative luminance 0.656; OKLCH L 85.6% C 0.172 H 127.2°. Best body text is #000000 at 14.12:1 contrast (WCAG AA passes).

Color values

HEX	#B1E45D
RGB	rgb(177, 228, 93)
HSL	hsl(83, 71%, 63%)
HSV	hsv(83, 59%, 89%)
CMYK	cmyk(22.4%, 0%, 59.2%, 10.6%)
CIE-LAB	lab(84.80, -36.74, 59.17)
CIE-LCH	lch(84.80, 69.65, 121.84°)
OKLab	oklab(85.64% -0.104 0.1372)
OKLCH	oklch(85.64% 0.172 127.2)
XYZ	xyz(47.8506, 65.6235, 20.4994)
Luminance	0.6562 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1E45D #905DE4

analogous

#E4D45D #B1E45D #6DE45D

triadic

#B1E45D #5DB1E4 #E45DB1

tetradic

#B1E45D #5DE4D4 #905DE4 #E45D6D

square

#B1E45D #5DE4D4 #905DE4 #E45D6D

split-complementary

#B1E45D #5D6DE4 #D45DE4

monochromatic

#75AA1C #98DB29 #B1E45D #CAED91 #E4F5C6

Accessibility & contrast

On white

1.49

#B1E45D on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.12

#B1E45D on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1E45D

14.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1E45D	#FFFFFF	#000000	##000000
##B1E45D	1.00	1.49	14.12	14.12
#FFFFFF	1.49	1.00	21.00	21.00
#000000	14.12	21.00	1.00	1.00
##000000	14.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EFD64E

Deuteranopia (green-blind)

#E8D366

Tritanopia (blue-blind)

#B7DAC7

Achromatopsia (no color)

#D4D4D4

Design tokens & code

CSS

--color: #b1e45d;
/* rgb */ color: rgb(177, 228, 93);
/* oklch */ color: oklch(85.6% 0.172 127.2);

Tailwind

colors: {
  custom: {
    50: '#cbec90',
    500: '#b1e45d',
    950: '#000000',
  },
}

SCSS

$custom: #b1e45d;
$custom-light: #cbec90;
$custom-dark: #000000;

JSON

{
  "hex": "#b1e45d",
  "rgb": {
    "r": 177,
    "g": 228,
    "b": 93
  },
  "hsl": {
    "h": 82.667,
    "s": 71.429,
    "l": 62.941
  },
  "oklch": {
    "l": 0.85642,
    "c": 0.17219,
    "h": 127.2
  },
  "luminance": 0.65624
}

Semantic roles & 50–950 ramp

primary

#B1E45D

secondary

#6539AC

accent

#12D35B

background

#FEFEFC

surface

#FBFDF4

border

#D4D5CE

text

#14160D

muted

#83847F

Preview Lab

Preview with #B1E45D

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →